This small printed circuit board, onto which the Type C charging connector and jack plug are soldered, also controls the microphone, network and speaker. If any of these functions are faulty, this part will need to be replaced.
This part is multifunctional, allowing you to connect the Type-C charger and jack module to your Samsung Galaxy S20 5G G981N (South Korean version) and the call microphone.
If you are experiencing the following problems, it needs to be replaced: